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Finding the Fourth Proportional to 29,287.40, 40,414.04 and 17,348.72

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Solution

The fourth proportional to 29,287.40, 40,414.04 and 17,348.72 is: 23,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.40 : 40,414.04 = 17,348.72 : x
  2. Step 2: Convert to fraction form
    29,287.40/40,414.04 = 17,348.72/x
  3. Step 3: Cross multiply
    29,287.40x = 40,414.04 × 17,348.72
  4. Step 4: Simplify right side
    29,287.40x = 701,131,864.03
  5. Step 5: Solve for x
    x = 701,131,864.03/29,287.40
  6. Step 6: Final answer
    x = 23,939.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.